Kavindu Tissera | System Admin

About Me

I’m Kavindu Tissera, a dedicated network engineer with hands-on experience in configuring, securing, and troubleshooting enterprise-level networks. I specialize in Cisco systems, cloud infrastructure (AWS), and IT support. My passion lies in building secure and scalable network environments using modern network engineering practices and tools.

Technical Skills

Routing & Switching (Cisco/CCNA)
Network Security & Firewalls (Cisco ASA, pfSense)
Linux Server Administration (Ubuntu, CentOS)
Cloud Networking (AWS VPC, VPNs)
Network Monitoring (Zabbix, Wireshark, Nmap)
Protocols: IPv4/IPv6, DNS, DHCP, NAT, SNMP

Projects

Enterprise Network Design

Designed and implemented a secure multi-department IPv6 network with VLANs and inter-VLAN routing using Cisco Packet Tracer for a simulated organization.

AWS VPN Infrastructure

Deployed site-to-site VPN connectivity between AWS cloud and on-premises data center, ensuring secure communication across distributed environments.

Network Monitoring Dashboard

Configured Zabbix for real-time network monitoring and alerting for a mid-size enterprise, improving uptime and troubleshooting efficiency.

About Me

Technical Skills

Projects

Enterprise Network Design

AWS VPN Infrastructure

Network Monitoring Dashboard

Contact